Top Science News

December 9, 2025

Top Headlines

Small Root Mutation Could Make Crops Fertilize Themselves

Dec. 9, 2025 Scientists discovered a small protein region that determines whether plants reject or welcome nitrogen-fixing bacteria. By tweaking only two amino acids, they converted a defensive receptor into one that supports symbiosis. Early success in barley ...

New Cosmic Lens Measurements Deepen the Hubble Tension Mystery

Dec. 9, 2025 Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their results match “local” measurements but clash with early-universe estimates, strengthening the mysterious Hubble tension. ...

Astronomers Capture Sudden Black Hole Blast Firing Ultra Fast Winds

Dec. 9, 2025 A sudden X-ray flare from a supermassive black hole in galaxy NGC 3783 triggered ultra-fast winds racing outward at a fifth the speed of light—an event never witnessed before. Using XMM-Newton and XRISM, astronomers caught the blast unfold in real ...

This Surprising Discovery Rewrites the Milky Way’s Origin Story

Dec. 9, 2025 New simulations of Milky Way-like galaxies reveal that the strange split between two chemically distinct groups of stars may arise from several very different evolutionary events. Bursts of star formation, shifts in flowing gas, and even streams of ...

Most of the World Isn’t Getting Enough Omega-3

Dec. 9, 2025 Most people worldwide aren’t getting enough omega-3, leaving a major gap between scientific recommendations and daily diets. Researchers emphasize the critical role of EPA and DHA across all life stages and point out that food alone often can’t ...

Single Enzyme Mutation Reveals a Hidden Trigger in Dementia

Dec. 9, 2025 Researchers discovered that a tiny structural feature of the enzyme GPX4 helps keep neurons safe. A rare mutation removes this protection, allowing harmful molecules to damage cell membranes and trigger early dementia. Mouse and cell studies showed ...

Stunning Blue Pigment on a 13,000-year-old Artifact Surprises Scientists

Dec. 9, 2025 Researchers uncovered rare azurite traces on a Final Paleolithic artifact, overturning assumptions that early Europeans used only red and black pigments. The find suggests ancient people possessed deeper knowledge of minerals and colors than ...

Fossil Brain Scans Show Pterosaurs Evolved Flight in a Flash

Dec. 9, 2025 Ancient pterosaurs may have taken to the skies far earlier and more explosively than birds, evolving flight at their very origin despite having relatively small brains. Using advanced CT imaging, scientists reconstructed the brain cavities of ...

This Rare Bone Finally Settles the Nanotyrannus Mystery

Dec. 9, 2025 Scientists have confirmed that Nanotyrannus was a mature species, not a young T. rex. A microscopic look at its hyoid bone provided the key evidence, matching growth signals seen in known T. rex specimens. This discovery suggests a richer, more ...

A Cosmic Collision Reveals How Black Holes Really Behave

Dec. 8, 2025 A remarkably clean gravitational-wave detection has confirmed long-standing predictions about black holes, including Hawking’s area theorem and Einstein’s ringdown behavior. The findings also provide the strongest support yet that real black ...

Her Food Cravings Vanished on Mounjaro Then Roared Back

Dec. 8, 2025 Deep-brain recordings showed that Mounjaro and Zepbound briefly shut down the craving circuits linked to food noise in a patient with severe obesity. Her obsessive thoughts about food disappeared as the medication quieted the nucleus accumbens, the ...

Low Dose Melanoma Treatment Delivers Dramatically Better Results

Dec. 8, 2025 Using less ipilimumab appears to make melanoma immunotherapy both safer and more effective, with dramatically better response and survival outcomes. The findings suggest that reducing side effects may be the key to maximizing the benefits of these ...

Latest Headlines

updated 10:40am EST

Gut Molecule Shows Remarkable Anti-Diabetes Power

Dec. 8, 2025 Researchers revealed that the microbial metabolite TMA can directly block the immune protein IRAK4, reducing inflammation and improving insulin sensitivity. The molecule counteracts damage caused by ...

This Tiny Implant Sends Secret Messages to the Brain

Dec. 8, 2025 Researchers have built a fully implantable device that sends light-based messages directly to the brain. Mice learned to interpret these artificial patterns as meaningful signals, even without touch, ...

New Study Finds a Silent Genetic Heart Risk Hidden in Millions

Dec. 8, 2025 A large Mayo Clinic study shows that current guidelines fail to detect nearly 90% of people with familial hypercholesterolemia, a common inherited cause of dangerously high cholesterol. Many affected ...

This Simple Ingredient Makes Kale Way Healthier

Dec. 8, 2025 Scientists found that kale’s prized nutrients are hard for the body to absorb unless they’re eaten with oil. Cooking doesn’t improve absorption, but adding oil-based dressings—or even more ...

Scientists Capture Most Detailed Look Inside DNA Droplets

Dec. 8, 2025 High-resolution imaging has revealed the internal layout of chromatin condensates, showing how DNA fibers fold and interact within these droplet-like structures. The findings connect molecular ...

Scientists Uncover a Volcanic Trigger Behind the Black Death

Dec. 8, 2025 A newly analyzed set of climate data points to a major volcanic eruption that may have played a key role in the Black Death’s arrival. Cooling and crop failures across Europe pushed Italian states ...

A Violent Star Explosion Just Revealed a Hidden Recipe for Life

Dec. 8, 2025 XRISM’s high-precision X-ray data revealed unusually strong signatures of chlorine and potassium inside the Cassiopeia A supernova remnant. These levels are far higher than theoretical models ...

Garlic Mouthwash Shows Shockingly Strong Germ-Fighting Power

Dec. 8, 2025 Garlic extract is emerging as a surprisingly powerful contender to chlorhexidine, the long-standing “gold standard” in antimicrobial mouthwashes. A systematic review of clinical studies shows ...

Humans Are Built for Nature Not Modern Life

Dec. 8, 2025 Human biology evolved for a world of movement, nature, and short bursts of stress—not the constant pressure of modern life. Industrial environments overstimulate our stress systems and erode both ...

New Fat-Burning Diabetes Pill Protects Muscle and Appetite

Dec. 7, 2025 Researchers have developed a new oral drug that boosts metabolic activity in muscle rather than altering appetite like GLP-1 drugs. Early trials suggest it improves blood sugar control and fat ...

Hornet-Eating Frog Shows Remarkable Venom Resistance

Dec. 4, 2025 Experiments reveal that pond frogs can eat highly venomous hornets without suffering noticeable damage, even after repeated stings. Most frogs successfully consumed hornets, including the notorious ...

Scientists Capture Flu Viruses Surfing Into Human Cells in Real Time

Dec. 4, 2025 Scientists have captured a never-before-seen, high-resolution look at influenza’s stealthy invasion of human cells, revealing that the cells aren’t just helpless victims. Using a groundbreaking ...

Earth’s Early Oceans Hid the Secret Rise of Complex Life

Dec. 6, 2025 Scientists have discovered that complex life began evolving much earlier than traditional models suggested. Using an expanded molecular clock approach, the team showed that crucial cellular features ...

Scientists Find Hidden Layers in Brain’s Memory Center

Dec. 6, 2025 Scientists uncovered a surprising four-layer structure hidden inside the hippocampal CA1 region, one of the brain’s major centers for memory, navigation, and emotion. Using advanced RNA imaging ...

SPHERE’s Stunning Space Images Reveal Where New Planets Are Forming

Dec. 6, 2025 SPHERE’s detailed images of dusty rings around young stars offer a rare glimpse into the hidden machinery of planet formation. These bright arcs and faint clouds reveal where tiny planet-building ...

Experimental RNA Treatment Shows Surprising DNA Repair Power

Dec. 5, 2025 Cedars-Sinai scientists have created a new experimental drug called TY1 that helps the body repair damaged DNA and restore injured tissue. The discovery came from studying tiny molecular messages ...

Alzheimer’s Blood Tests May Be Misleading for People With Kidney Problems

Dec. 5, 2025 A large study found that people with impaired kidneys tend to have higher Alzheimer’s biomarkers, yet they don’t face a higher overall risk of dementia. For those who already have elevated ...

The Solar Mission That Survived Disaster and Found 5,000 Comets

Dec. 3, 2025 For thirty years, SOHO has watched the Sun from a stable perch in space, revealing the inner workings of our star and surviving crises that nearly ended the mission. Its long-term observations ...

Doomed Ants Send a Final Scent to Save Their Colony

Dec. 3, 2025 Ant pupae that are fatally sick don’t hide their condition; instead, they release a special scent that warns the rest of the colony. This signal prompts worker ants to open the pupae’s cocoons ...

JWST Finds a Milky Way Twin Born Shockingly Early in the Universe

Dec. 3, 2025 A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier than astronomers believed such well-structured galaxies could form. With ...

A Routine Shingles Shot May Offer Powerful Defense Against Dementia

Dec. 3, 2025 A unique vaccine rollout in Wales gave researchers an accidental natural experiment that revealed a striking reduction in dementia among seniors who received the shingles vaccine. The protective ...

Early Earth’s Sky May Have Created the First Ingredients for Life

Dec. 3, 2025 Researchers recreated conditions from billions of years ago and found that Earth’s young atmosphere could make key molecules linked to life. These sulfur-rich compounds, including certain amino ...

Scientists Discover Why Anacondas Stayed Giants for 12 Million Years

Dec. 3, 2025 Ancient anaconda fossils show that the snakes became giants soon after emerging in Miocene South America. Their size has stayed stable for over 12 million years, even though other huge reptiles went ...

Gas Stoves Are Filling Millions of Homes With Hidden Toxic Air

Dec. 3, 2025 Stanford researchers found that gas stoves expose Americans to surprisingly high levels of nitrogen dioxide—often matching or exceeding outdoor pollution. For millions, cooking alone pushes NO2 ...

A Tiny Ocean Worm Just Revealed a Big Secret About How Eyes Evolve

Dec. 2, 2025 Scientists found that adult bristleworm eyes grow continuously thanks to a rim of neural stem cells similar to those in vertebrate eyes. This growth is surprisingly regulated by environmental light ...

A Hidden Antarctic Shift Unleashed the Carbon That Warmed the World

Dec. 2, 2025 As the last Ice Age waned and the Holocene dawned, deep-ocean circulation around Antarctica underwent dramatic shifts that helped release long-stored carbon back into the atmosphere. Deep-sea ...

Fast Depression Relief? Nitrous Oxide Shows Remarkable Potential

Dec. 2, 2025 Nitrous oxide may offer quick, short-term relief for people with major depression, especially those who haven’t responded to standard medications. The meta-analysis found rapid improvements after a ...

A Backwards Bible Map That Changed the World

Nov. 30, 2025 Five hundred years ago, a Bible accidentally printed with a backwards map of the Holy Land sparked a revolution in how people imagined geography, borders, and even nationhood. Despite the blunder, ...

RSV Prevention in Newborns Could Cut Asthma Risk

Nov. 30, 2025 Scientists found that RSV infection early in life can set the stage for childhood asthma, particularly in kids already genetically prone to allergies. The virus appears to skew the developing immune ...

Scientists Studied 47,000 Dogs on CBD and Found a Surprising Behavior Shift

Nov. 28, 2025 Data from over 47,000 dogs reveal that CBD is most often used in older pets with chronic health issues. Long-term CBD use was linked to reduced aggression, though other anxious behaviors didn’t ...